Need help heads combo
Thread Starter
Junior Member
Joined: May 2007
Posts: 47
Likes: 0
From: Westcoast Sweden
Car: Camaro IROC-Z 89
Engine: 28xxx miles
Transmission: TH700
Axle/Gears: 2.77 BW
Need help heads combo
Need some advice buying heads , cam ,rockers,injectors throttlehouse etc for my 89 tpi-350 .
Engine is stock 50000 miles except siamesed slp runners and baseplate . Also fitted with edelbrock headers 1,5/8 and 3" exhaust flowmaster and highflow cat . Walbro 255 fuelpump . Stock converter 700r4 and 2.77 rear . Car has Ls1 front brakes , subframe connectors , lowered springs , koni shocks and other upgrades for handling. Fitted with 10x18"rear rims with 285 tires .
Thing is Ive been reading for like months now on different combinations,searching like a maniac all over the net , and still confused on what to buy .
Came across this thread https://www.thirdgen.org/forums/tpi/...tpi-build.html
which had some good advice .
Want a street car with lots of torque that (want) go above 5800 rpm , dont want to pull the engine apart .
So the xfi268 comp cam , afr 180 cc heads and maybe 1.6 roller rockers or will 1.5 be better ? Will this be a good combination for my goals ? Street car with lots of torque?
http://www.compcams.com/Company/CC/c...?csid=208&sb=0 Also available for 1987 to present engines with center bolt valve covers and 2 center intake bolts at 72° angle, AFR Part #0919 , this the heads im looking for ? Will my valve covers clear ?
http://www.airflowresearch.com/index.php?cPath=24_25
http://www.jegs.com/i/Comp-Cams/249/1602-16/10002/-1
http://www.jegs.com/i/AFR/033/8019/10002/-1 upgrade with these springs ?
What size injectors will I need ?
Bigger throttlehouse then stock ?
Pushrod lenght ?
I am going to restore my gearbox (or buy a new)to be able to manage the extra torque , so a new stall converter aswell , but what stall will be best , 2200 ? What brand ?
Sorry for all the questions , but I live in sweden and dont want to buy the wrong stuff when doing this , the shippingrates and taxes are hugh .
Engine is stock 50000 miles except siamesed slp runners and baseplate . Also fitted with edelbrock headers 1,5/8 and 3" exhaust flowmaster and highflow cat . Walbro 255 fuelpump . Stock converter 700r4 and 2.77 rear . Car has Ls1 front brakes , subframe connectors , lowered springs , koni shocks and other upgrades for handling. Fitted with 10x18"rear rims with 285 tires .
Thing is Ive been reading for like months now on different combinations,searching like a maniac all over the net , and still confused on what to buy .
Came across this thread https://www.thirdgen.org/forums/tpi/...tpi-build.html
which had some good advice .
Want a street car with lots of torque that (want) go above 5800 rpm , dont want to pull the engine apart .
So the xfi268 comp cam , afr 180 cc heads and maybe 1.6 roller rockers or will 1.5 be better ? Will this be a good combination for my goals ? Street car with lots of torque?
http://www.compcams.com/Company/CC/c...?csid=208&sb=0 Also available for 1987 to present engines with center bolt valve covers and 2 center intake bolts at 72° angle, AFR Part #0919 , this the heads im looking for ? Will my valve covers clear ?
http://www.airflowresearch.com/index.php?cPath=24_25
http://www.jegs.com/i/Comp-Cams/249/1602-16/10002/-1
http://www.jegs.com/i/AFR/033/8019/10002/-1 upgrade with these springs ?
What size injectors will I need ?
Bigger throttlehouse then stock ?
Pushrod lenght ?
I am going to restore my gearbox (or buy a new)to be able to manage the extra torque , so a new stall converter aswell , but what stall will be best , 2200 ? What brand ?
Sorry for all the questions , but I live in sweden and dont want to buy the wrong stuff when doing this , the shippingrates and taxes are hugh .
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