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post #1 of 11 (permalink) Old 05-27-04, 01:17 AM Thread Starter
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Opinions on this combo

My brother has a XY GT replica
He is about to spend a shitload of dosh on his engine/trans/diff combo
i would like ppls opinion on the "streetability" of it all

THE CAR WILL NOT BE DRIVEN DAILY

and so far here how it is

373ci Clevo Stroker
ported 2v heads, funnleweb3 manifold, Holley Hp Pro Series 750 mech secondary, Yella terra Roller rockers, CrowCam (4000-7000rpm), Pacemaker headers, Twin 3" exhaust (1 muffler))

C4 with a taipan 4000rpm stallie

Detroit Locker 9" diff with 3.89 Gear

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post #2 of 11 (permalink) Old 05-27-04, 01:25 AM
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Re: Opinions on this combo

Get used to the horrendous drone and heat production of a car that doesn't get up onto the converter until about 125km/h.

If you're not driving a manual you're really just steering.
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post #3 of 11 (permalink) Old 05-28-04, 03:46 AM
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Re: Opinions on this combo

Sounds like a good combo to me!
If your not drivn it interstate or on long trips the converter wont be a drama. Just be sure to have a HUGE trans cooler so the trans doesnt cook its self after 5km's! A huge fuel tank will be handy too. Be sure to post the 1/4 times!
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post #4 of 11 (permalink) Old 05-28-04, 04:03 AM
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Re: Opinions on this combo

Sounds alright to me. I'll be cruising around with a 4500rpm convertor and 4.11 gears soon enough.

[edit] To prove a point I will drive it to and from work daily

Brenden

XB Fairmont (street car) 11.07@123.02mph.
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post #5 of 11 (permalink) Old 05-28-04, 08:28 AM Thread Starter
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Re: Opinions on this combo

the ppl building the engine say guaranteed 11s with a good launch

he rung a reputable tranny place and they said the he might have to back off the stallie to 3000rpm and make the extra power elsewhere (head work or cubes) because of the lower diff ratio
the dude at the tranny place said that you find the cars with big big stallies have like 4.56 and such diff gears.
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post #6 of 11 (permalink) Old 05-29-04, 03:50 AM
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Re: Opinions on this combo

Cars with 4.56 gears have a very tall slick around 29 inch diameter. If you run a smaller diameter slick say a 26 inch with 3.89's youl be fine. With the 26" slick 3.89 gears at 120mph youd be pulling around 6400rpm over the line. Thats mph for a flat 11 sec pass. If the motor has plenty of torque it will pull it off the line no worries. Anyway, if the cam isnt making pwr till 4000 leaving at 3000 will be no good no matter what diff gears youve got!
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post #7 of 11 (permalink) Old 05-29-04, 10:13 PM Thread Starter
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Re: Opinions on this combo

if the stallie is backed off to 3000 rpm so will the cam
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post #8 of 11 (permalink) Old 05-30-04, 12:58 AM
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Re: Opinions on this combo

My coupe runs a 3.88 spooled 9" and a 3000 hi stall, and drivability is fairly good (except the minispool, gets a bit annoying around corners and parking)
3000 rpm is approx 100km/h, but even driving at 60-70km/h isnt all that bad and things dont really get too hot. It got the biggest crane hydraulic cam in it, the previous owner had it dynoed in 2002 and got 300rwhp but there is no torque curve on the chart.

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post #9 of 11 (permalink) Old 05-30-04, 03:38 PM
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Re: Opinions on this combo

Is that cam's rev range for a 351?

Using a stroker should move a 351 cam's powerband earlier in the rev range... so your cam will be somewhere around 3500 - 6500+RPM.

But, the question you asked with 'streetabilty'... very poor when compared to an unmodified car. It should be fine for a sunday power cruise but I wouldn't want to be driving through peak hour traffic.

Just like a Tsunami.
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post #10 of 11 (permalink) Old 05-31-04, 12:15 AM
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Thumbs up Re: Opinions on this combo

hi mate i am running a 5000 stall with 4.3 gears. only driven on weekends and i love it. your combo sounds good. just depends on what you want out of it.
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