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Old 01-14-2006, 03:08   #1 (permalink)
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302/351C Stroker Info

Well, seeing that there are a few people out there planning stroker builds in the future, here's a thread for people to contribute to so that people don't get burned with dud expensive mismatching parts.

Please feel free to post combo part numbers, brands, suppliers, builders etc that you've found to work.

This will help everyones back pocket and time. Cheers.
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Old 01-16-2006, 18:16   #2 (permalink)
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Re: 302/351C Stroker Info

Here is my 408C stroker motor I put together this winter.
I will list the specs. and pics. here, For anyone who is interested, tell me what you think.


I got the stroker kit from Mark & Heather McKeown of "MME Motorsports & Engineering".

4.00 stroke Lightweight 4340 forged Scat crank
6.200 Scat 4340 H beam rods with 7/16 Arp 2000 Rod Bolts
4.010 ROSS 13.75-1 ratio forged pistions
Pro Products Balancer
Scat Flexplate
(All this Balanced through 8000 RPM)
Ford Motorsports double roller timing chain
Custom grind - Comp Cams -- Specs by Mark Mckeown --
Duration at .050 272 In. 276 Ex.
valve lift .697 In. .668 Ex.
Harland Sharp 1.8 Aluminum roller rockers
Comp Cams Solid lifters with EDM oiling hole
The Block is a 1972 4 Bolt main block
The Heads are 1970 quench chambers, with Manley severe
duty 1 piece SS valves
Comp Cams double valve spring
10 degree valve locks and retainers
teflon seals
Heads have been machined for 7/16 screw in studs &
guide plates
Comp cams forged 1 piece pushrods
High volume oil pump
ARP oil pump drive shaft
stock CJ pan with baffle in bottom
Hooker headers 1 7/8" primarys 3' collectors
AED 1000CFM 4150 series Holley Carb
Torker intake
1/4 Berch wood carb. spacer
Holley mech. fuel pump with #8 line from pump to carb.
Fabricated aluminum sheet metal valve covers
aluminum water pump
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Old 01-16-2006, 19:13   #3 (permalink)
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Re: 302/351C Stroker Info

This is a 393 cleveland kit that will fit into a 9.2" factory C block without issues. It's direct bolt in. Tony xa and I run this very kit.

Crank Scat 3.850 4340 forged crank part n# SC4351c 3850 6125
Be careful with this part number as if you change the 4 in the first part SC 4 351c to a 9 SC 9 351c you go to the 9000 series crank not as good . 3850 is for the crank 6125 is for rod length

Rods Scat h-beams part n# SC2350 6125 2100 these are large journal chev rods 6.125 Sc2350 is for 350 chev 6125 length 2100 journal size

Pistons Arias forged -10cc dished part n# AP331520

Timing chain SVO rollmaster red label part n# ROCS3110

Prices were removed as these will vary over time.
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Old 01-16-2006, 19:17   #4 (permalink)
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Re: 302/351C Stroker Info

In my research I also found this from High Performance World. They do two stroker kits for the 351c factory deck block 9.200"

First one is 383ci with flat top .020/.030 Venolia race pistons, Eagle H-Beam rods, Eagle 4340 forged crank, Competition plazma moly rings & Competition bearings for $3000.00 Add $330.00 for dish pistons. This kit has a 6.000" conrod and will require some clearancing on the crank. If you want to use the 6.125" conrod, it will cost you an extra $160.00. When going to the longer rod, you will require oil support rails x 8 @ $120.00.

Second kit is 406ci same parts as above but will require the 6.125" conrods & the oil support rails. Cost is $3280.00 for flat top & $3610.00 for dish pistons. The kit requires a Rollmaster timing set to suit the Eagle crank $131.45 & a Romac neutral balancer $251.00 All prices include GST

Those prices were valid on 13/09/2005. Not sure if they are still valid?

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Old 02-05-2006, 07:02   #5 (permalink)
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Re: 302/351C Stroker Info

For those about to use a 3.75 inch stroke with a 6.125 rod then Probe industries are as far as i know the only piston manufacturer who has an off the shelf piston that is specific for a clevo. Part no is 14212-030 for a 30 over piston but is available in 20 or 40 over. Comp height is 1.2 inches with 1/16 rings and comes with a .927 pin for the use of a chev rod.
btw these are available from VPW for around $870.
Piston is a flat top design with a 2cc relief
Pistons arrive from U.S after an eight week wait.Quality looks good .All pistons weigh exactly 490 gms with pin. Valve relief a little sharp and needs deburring.

Last edited by russxr67; 04-11-2006 at 05:32. Reason: changes
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Old 05-26-2006, 18:39   #6 (permalink)
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Re: 302/351C Stroker Info

Quote:
Originally Posted by russxr67
For those about to use a 3.75 inch stroke with a 6.125 rod then Probe industries are as far as i know the only piston manufacturer who has an off the shelf piston that is specific for a clevo. Part no is 14212-030 for a 30 over piston but is available in 20 or 40 over. Comp height is 1.2 inches with 1/16 rings and comes with a .927 pin for the use of a chev rod.
btw these are available from VPW for around $870.
Piston is a flat top design with a 2cc relief
Pistons arrive from U.S after an eight week wait.Quality looks good .All pistons weigh exactly 490 gms with pin. Valve relief a little sharp and needs deburring.
Any idea if this piston would work with a modified 4" stroke 400M crank and 6.02" 302C cleveland rod (little end opened out from 0.912" to 0.927"). Numerically it is only 7 thou out of the hole which is OK, but how about crank counterweight interference down below?

Cheers
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Old 05-27-2006, 22:51   #7 (permalink)
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Re: 302/351C Stroker Info

My 393c

3.85 SCAT crank
6.00" Chev Rod
SRP short skirt forgie, i'll try to get more info

We're doing a dummy fit this weekend to check out clearancing, using a 9.2" factory block
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Old 05-28-2006, 06:20   #8 (permalink)
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Re: 302/351C Stroker Info

Quote:
Originally Posted by xafalcon
Any idea if this piston would work with a modified 4" stroke 400M crank and 6.02" 302C cleveland rod (little end opened out from 0.912" to 0.927"). Numerically it is only 7 thou out of the hole which is OK, but how about crank counterweight interference down below?

Cheers
Theoretically its close to your intended application but what you have to consider is that you have more stroke and a shorter rod than what i have and that means you may run into clearance problems with the crank counterweights hitting the piston skirt. No easy way of telling unless you are prepared to pop for a set.
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Old 05-28-2006, 06:23   #9 (permalink)
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Re: 302/351C Stroker Info

Quote:
Originally Posted by xr8_sprint
My 393c

3.85 SCAT crank
6.00" Chev Rod
SRP short skirt forgie, i'll try to get more info

We're doing a dummy fit this weekend to check out clearancing, using a 9.2" factory block
Interested to find out if the 6 inch rod combo cleared the crank counterweights?.
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Old 05-28-2006, 06:46   #10 (permalink)
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Re: 302/351C Stroker Info

Quote:
Originally Posted by russxr67
Interested to find out if the 6 inch rod combo cleared the crank counterweights?.
I'm interested in finding that out too. Most 6" rod combo's I've seen foul. Stranger things have happened though
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